2. 外语
  3. It is common knowledge that music can have a powerful effect on our【B1】______.In fact, since 1930s, music therapists have【B2】___

It is common knowledge that music can have a powerful effect on our【B1】______.In fact, since 1930s, music therapists have【B2】___

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问题     It is common knowledge that music can have a powerful effect on our【B1】______.In fact, since 1930s, music therapists have【B2】______on music to soothe【B3】______and help control pain. Now psychologists are【B4】______that music can also help【B5】______depression and improve concentration.  For instance, in a recent study, 15 surgeons were given some highly【B6】______math problems to solve.  They were【B7】______into three groups: one worked in silence, and in another, the surgeons listened to music of their choice on headphones; the third listened to【B8】______music chosen by the researchers. The results of the study may surprise you.【B9】______. One possible explanation is that listening to music you like stimulates the Alfa-wave in the brain, increases the heart rate and expands the breathing. That helps to reduce stress and sharpen concentration. Other research suggests a second relation between the music and the brain:【B10】______, the researchers found that some students showed a large increase in endorphin, a natural pain reliever,【B11】______.
【B7】
选项
答案divided
解析 不要误写成devided，前面是were，不应漏掉词尾的d。
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